Home / 198,670.59-274,163.94-108,026.46

Finding the Fourth Proportional to 198,670.59, 274,163.94 and 108,026.46

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Solution

The fourth proportional to 198,670.59, 274,163.94 and 108,026.46 is: 149,075.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,670.59 : 274,163.94 = 108,026.46 : x
  2. Step 2: Convert to fraction form
    198,670.59/274,163.94 = 108,026.46/x
  3. Step 3: Cross multiply
    198,670.59x = 274,163.94 × 108,026.46
  4. Step 4: Simplify right side
    198,670.59x = 29,616,959,897.85
  5. Step 5: Solve for x
    x = 29,616,959,897.85/198,670.59
  6. Step 6: Final answer
    x = 149,075.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.